<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login</title>
</head>
<body>
Please input:<br>
<form action="display.jsp" method="post">
    <label>UserName:
        <input type="text" name="username">
    </label><br>
    <label>Password&ensp;:
        <input type="password" name="password">
    </label><br>
    <label>
        &ensp;&emsp;Email&emsp;:
        <input type="text" name="email">
    </label><br>
    <input type="submit" value="提交" style="width: 300px">
</form>
</body>
</html>